It is aimed for equipping the explosion proof electric equipment with d protection; it is provided with 1ExdIIC Х protection. Letter X in the end of the explosion protection marking means that the following is to be provided:
A) VKV.a cable terminals cab be used for armored cable with laced metal armor, with wire armor and belt armor (but for lead armor) B) For IIC equipment it is possible to use VKV.a cable terminals if the size of the explosion proof enclosure is not exceeding 2000 cu.cm.
VKV.a cable terminal is aimed to be used under UHL conditions, category 1, as per GOST 15150-69 by the ambient temperature from -60 up to +80 ºС.